Вопрос:
Read the text and choose the right answer 65 – 72.
Water
Water __65__ one of the commonest of all substances, and without __66__ life would be impossible. __67__ seas and oceans cover about seven tenths of the Earth’s surface. But water is also contained in the soil, in the atmosphere and in all living things. __68__ than half of the human body __69__ of water, which also forms a large part of the food we eat, especially vegetables and fruit. Man __70__ live for nine days or more without food, but we cannot live for many days without water.
Water exists __71__ a substance in three states: ice, which melts at 0 degrees centigrade, liquid water, and steam, __72__ is formed when water boils at 100 degrees centigrade.
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